drivers/crypto/aesni_gcm/aesni_gcm_pmd.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2016-2017 Intel Corporation
   3  */
   4
   5 #include <rte_common.h>
   6 #include <rte_hexdump.h>
   7 #include <rte_cryptodev.h>
   8 #include <rte_cryptodev_pmd.h>
   9 #include <rte_bus_vdev.h>
  10 #include <rte_malloc.h>
  11 #include <rte_cpuflags.h>
  12 #include <rte_byteorder.h>
  13
  14 #include "aesni_gcm_pmd_private.h"
  15
  16 static uint8_t cryptodev_driver_id;
  17
  18 /** Parse crypto xform chain and set private session parameters */
  19 int
  20 aesni_gcm_set_session_parameters(const struct aesni_gcm_ops *gcm_ops,
  21                 struct aesni_gcm_session *sess,
  22                 const struct rte_crypto_sym_xform *xform)
  23 {
  24         const struct rte_crypto_sym_xform *auth_xform;
  25         const struct rte_crypto_sym_xform *aead_xform;
  26         uint8_t key_length;
  27         uint8_t *key;
  28
  29         /* AES-GMAC */
  30         if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH) {
  31                 auth_xform = xform;
  32                 if (auth_xform->auth.algo != RTE_CRYPTO_AUTH_AES_GMAC) {
  33                         AESNI_GCM_LOG(ERR, "Only AES GMAC is supported as an "
  34                                 "authentication only algorithm");
  35                         return -ENOTSUP;
  36                 }
  37                 /* Set IV parameters */
  38                 sess->iv.offset = auth_xform->auth.iv.offset;
  39                 sess->iv.length = auth_xform->auth.iv.length;
  40
  41                 /* Select Crypto operation */
  42                 if (auth_xform->auth.op == RTE_CRYPTO_AUTH_OP_GENERATE)
  43                         sess->op = AESNI_GMAC_OP_GENERATE;
  44                 else
  45                         sess->op = AESNI_GMAC_OP_VERIFY;
  46
  47                 key_length = auth_xform->auth.key.length;
  48                 key = auth_xform->auth.key.data;
  49                 sess->req_digest_length = auth_xform->auth.digest_length;
  50
  51         /* AES-GCM */
  52         } else if (xform->type == RTE_CRYPTO_SYM_XFORM_AEAD) {
  53                 aead_xform = xform;
  54
  55                 if (aead_xform->aead.algo != RTE_CRYPTO_AEAD_AES_GCM) {
  56                         AESNI_GCM_LOG(ERR, "The only combined operation "
  57                                                 "supported is AES GCM");
  58                         return -ENOTSUP;
  59                 }
  60
  61                 /* Set IV parameters */
  62                 sess->iv.offset = aead_xform->aead.iv.offset;
  63                 sess->iv.length = aead_xform->aead.iv.length;
  64
  65                 /* Select Crypto operation */
  66                 if (aead_xform->aead.op == RTE_CRYPTO_AEAD_OP_ENCRYPT)
  67                         sess->op = AESNI_GCM_OP_AUTHENTICATED_ENCRYPTION;
  68                 else
  69                         sess->op = AESNI_GCM_OP_AUTHENTICATED_DECRYPTION;
  70
  71                 key_length = aead_xform->aead.key.length;
  72                 key = aead_xform->aead.key.data;
  73
  74                 sess->aad_length = aead_xform->aead.aad_length;
  75                 sess->req_digest_length = aead_xform->aead.digest_length;
  76         } else {
  77                 AESNI_GCM_LOG(ERR, "Wrong xform type, has to be AEAD or authentication");
  78                 return -ENOTSUP;
  79         }
  80
  81
  82         /* IV check */
  83         if (sess->iv.length != 16 && sess->iv.length != 12 &&
  84                         sess->iv.length != 0) {
  85                 AESNI_GCM_LOG(ERR, "Wrong IV length");
  86                 return -EINVAL;
  87         }
  88
  89         /* Check key length and calculate GCM pre-compute. */
  90         switch (key_length) {
  91         case 16:
  92                 sess->key = AESNI_GCM_KEY_128;
  93                 break;
  94         case 24:
  95                 sess->key = AESNI_GCM_KEY_192;
  96                 break;
  97         case 32:
  98                 sess->key = AESNI_GCM_KEY_256;
  99                 break;
 100         default:
 101                 AESNI_GCM_LOG(ERR, "Invalid key length");
 102                 return -EINVAL;
 103         }
 104
 105         gcm_ops[sess->key].precomp(key, &sess->gdata_key);
 106
 107         /* Digest check */
 108         if (sess->req_digest_length > 16) {
 109                 AESNI_GCM_LOG(ERR, "Invalid digest length");
 110                 return -EINVAL;
 111         }
 112         /*
 113          * Multi-buffer lib supports digest sizes from 4 to 16 bytes
 114          * in version 0.50 and sizes of 8, 12 and 16 bytes,
 115          * in version 0.49.
 116          * If size requested is different, generate the full digest
 117          * (16 bytes) in a temporary location and then memcpy
 118          * the requested number of bytes.
 119          */
 120 #if IMB_VERSION_NUM >= IMB_VERSION(0, 50, 0)
 121         if (sess->req_digest_length < 4)
 122 #else
 123         if (sess->req_digest_length != 16 &&
 124                         sess->req_digest_length != 12 &&
 125                         sess->req_digest_length != 8)
 126 #endif
 127                 sess->gen_digest_length = 16;
 128         else
 129                 sess->gen_digest_length = sess->req_digest_length;
 130
 131         return 0;
 132 }
 133
 134 /** Get gcm session */
 135 static struct aesni_gcm_session *
 136 aesni_gcm_get_session(struct aesni_gcm_qp *qp, struct rte_crypto_op *op)
 137 {
 138         struct aesni_gcm_session *sess = NULL;
 139         struct rte_crypto_sym_op *sym_op = op->sym;
 140
 141         if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION) {
 142                 if (likely(sym_op->session != NULL))
 143                         sess = (struct aesni_gcm_session *)
 144                                         get_sym_session_private_data(
 145                                         sym_op->session,
 146                                         cryptodev_driver_id);
 147         } else  {
 148                 void *_sess;
 149                 void *_sess_private_data = NULL;
 150
 151                 if (rte_mempool_get(qp->sess_mp, (void **)&_sess))
 152                         return NULL;
 153
 154                 if (rte_mempool_get(qp->sess_mp, (void **)&_sess_private_data))
 155                         return NULL;
 156
 157                 sess = (struct aesni_gcm_session *)_sess_private_data;
 158
 159                 if (unlikely(aesni_gcm_set_session_parameters(qp->ops,
 160                                 sess, sym_op->xform) != 0)) {
 161                         rte_mempool_put(qp->sess_mp, _sess);
 162                         rte_mempool_put(qp->sess_mp, _sess_private_data);
 163                         sess = NULL;
 164                 }
 165                 sym_op->session = (struct rte_cryptodev_sym_session *)_sess;
 166                 set_sym_session_private_data(sym_op->session,
 167                                 cryptodev_driver_id, _sess_private_data);
 168         }
 169
 170         if (unlikely(sess == NULL))
 171                 op->status = RTE_CRYPTO_OP_STATUS_INVALID_SESSION;
 172
 173         return sess;
 174 }
 175
 176 /**
 177  * Process a crypto operation, calling
 178  * the GCM API from the multi buffer library.
 179  *
 180  * @param       qp              queue pair
 181  * @param       op              symmetric crypto operation
 182  * @param       session         GCM session
 183  *
 184  * @return
 185  *
 186  */
 187 static int
 188 process_gcm_crypto_op(struct aesni_gcm_qp *qp, struct rte_crypto_op *op,
 189                 struct aesni_gcm_session *session)
 190 {
 191         uint8_t *src, *dst;
 192         uint8_t *iv_ptr;
 193         struct rte_crypto_sym_op *sym_op = op->sym;
 194         struct rte_mbuf *m_src = sym_op->m_src;
 195         uint32_t offset, data_offset, data_length;
 196         uint32_t part_len, total_len, data_len;
 197         uint8_t *tag;
 198
 199         if (session->op == AESNI_GCM_OP_AUTHENTICATED_ENCRYPTION ||
 200                         session->op == AESNI_GCM_OP_AUTHENTICATED_DECRYPTION) {
 201                 offset = sym_op->aead.data.offset;
 202                 data_offset = offset;
 203                 data_length = sym_op->aead.data.length;
 204         } else {
 205                 offset = sym_op->auth.data.offset;
 206                 data_offset = offset;
 207                 data_length = sym_op->auth.data.length;
 208         }
 209
 210         RTE_ASSERT(m_src != NULL);
 211
 212         while (offset >= m_src->data_len && data_length != 0) {
 213                 offset -= m_src->data_len;
 214                 m_src = m_src->next;
 215
 216                 RTE_ASSERT(m_src != NULL);
 217         }
 218
 219         data_len = m_src->data_len - offset;
 220         part_len = (data_len < data_length) ? data_len :
 221                         data_length;
 222
 223         /* Destination buffer is required when segmented source buffer */
 224         RTE_ASSERT((part_len == data_length) ||
 225                         ((part_len != data_length) &&
 226                                         (sym_op->m_dst != NULL)));
 227         /* Segmented destination buffer is not supported */
 228         RTE_ASSERT((sym_op->m_dst == NULL) ||
 229                         ((sym_op->m_dst != NULL) &&
 230                                         rte_pktmbuf_is_contiguous(sym_op->m_dst)));
 231
 232
 233         dst = sym_op->m_dst ?
 234                         rte_pktmbuf_mtod_offset(sym_op->m_dst, uint8_t *,
 235                                         data_offset) :
 236                         rte_pktmbuf_mtod_offset(sym_op->m_src, uint8_t *,
 237                                         data_offset);
 238
 239         src = rte_pktmbuf_mtod_offset(m_src, uint8_t *, offset);
 240
 241         iv_ptr = rte_crypto_op_ctod_offset(op, uint8_t *,
 242                                 session->iv.offset);
 243
 244         if (session->op == AESNI_GCM_OP_AUTHENTICATED_ENCRYPTION) {
 245                 qp->ops[session->key].init(&session->gdata_key,
 246                                 &qp->gdata_ctx,
 247                                 iv_ptr,
 248                                 sym_op->aead.aad.data,
 249                                 (uint64_t)session->aad_length);
 250
 251                 qp->ops[session->key].update_enc(&session->gdata_key,
 252                                 &qp->gdata_ctx, dst, src,
 253                                 (uint64_t)part_len);
 254                 total_len = data_length - part_len;
 255
 256                 while (total_len) {
 257                         dst += part_len;
 258                         m_src = m_src->next;
 259
 260                         RTE_ASSERT(m_src != NULL);
 261
 262                         src = rte_pktmbuf_mtod(m_src, uint8_t *);
 263                         part_len = (m_src->data_len < total_len) ?
 264                                         m_src->data_len : total_len;
 265
 266                         qp->ops[session->key].update_enc(&session->gdata_key,
 267                                         &qp->gdata_ctx, dst, src,
 268                                         (uint64_t)part_len);
 269                         total_len -= part_len;
 270                 }
 271
 272                 if (session->req_digest_length != session->gen_digest_length)
 273                         tag = qp->temp_digest;
 274                 else
 275                         tag = sym_op->aead.digest.data;
 276
 277                 qp->ops[session->key].finalize(&session->gdata_key,
 278                                 &qp->gdata_ctx,
 279                                 tag,
 280                                 session->gen_digest_length);
 281         } else if (session->op == AESNI_GCM_OP_AUTHENTICATED_DECRYPTION) {
 282                 qp->ops[session->key].init(&session->gdata_key,
 283                                 &qp->gdata_ctx,
 284                                 iv_ptr,
 285                                 sym_op->aead.aad.data,
 286                                 (uint64_t)session->aad_length);
 287
 288                 qp->ops[session->key].update_dec(&session->gdata_key,
 289                                 &qp->gdata_ctx, dst, src,
 290                                 (uint64_t)part_len);
 291                 total_len = data_length - part_len;
 292
 293                 while (total_len) {
 294                         dst += part_len;
 295                         m_src = m_src->next;
 296
 297                         RTE_ASSERT(m_src != NULL);
 298
 299                         src = rte_pktmbuf_mtod(m_src, uint8_t *);
 300                         part_len = (m_src->data_len < total_len) ?
 301                                         m_src->data_len : total_len;
 302
 303                         qp->ops[session->key].update_dec(&session->gdata_key,
 304                                         &qp->gdata_ctx,
 305                                         dst, src,
 306                                         (uint64_t)part_len);
 307                         total_len -= part_len;
 308                 }
 309
 310                 tag = qp->temp_digest;
 311                 qp->ops[session->key].finalize(&session->gdata_key,
 312                                 &qp->gdata_ctx,
 313                                 tag,
 314                                 session->gen_digest_length);
 315         } else if (session->op == AESNI_GMAC_OP_GENERATE) {
 316                 qp->ops[session->key].init(&session->gdata_key,
 317                                 &qp->gdata_ctx,
 318                                 iv_ptr,
 319                                 src,
 320                                 (uint64_t)data_length);
 321                 if (session->req_digest_length != session->gen_digest_length)
 322                         tag = qp->temp_digest;
 323                 else
 324                         tag = sym_op->auth.digest.data;
 325                 qp->ops[session->key].finalize(&session->gdata_key,
 326                                 &qp->gdata_ctx,
 327                                 tag,
 328                                 session->gen_digest_length);
 329         } else { /* AESNI_GMAC_OP_VERIFY */
 330                 qp->ops[session->key].init(&session->gdata_key,
 331                                 &qp->gdata_ctx,
 332                                 iv_ptr,
 333                                 src,
 334                                 (uint64_t)data_length);
 335
 336                 /*
 337                  * Generate always 16 bytes and later compare only
 338                  * the bytes passed.
 339                  */
 340                 tag = qp->temp_digest;
 341                 qp->ops[session->key].finalize(&session->gdata_key,
 342                                 &qp->gdata_ctx,
 343                                 tag,
 344                                 session->gen_digest_length);
 345         }
 346
 347         return 0;
 348 }
 349
 350 /**
 351  * Process a completed job and return rte_mbuf which job processed
 352  *
 353  * @param job   JOB_AES_HMAC job to process
 354  *
 355  * @return
 356  * - Returns processed mbuf which is trimmed of output digest used in
 357  * verification of supplied digest in the case of a HASH_CIPHER operation
 358  * - Returns NULL on invalid job
 359  */
 360 static void
 361 post_process_gcm_crypto_op(struct aesni_gcm_qp *qp,
 362                 struct rte_crypto_op *op,
 363                 struct aesni_gcm_session *session)
 364 {
 365         op->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
 366
 367         /* Verify digest if required */
 368         if (session->op == AESNI_GCM_OP_AUTHENTICATED_DECRYPTION ||
 369                         session->op == AESNI_GMAC_OP_VERIFY) {
 370                 uint8_t *digest;
 371
 372                 uint8_t *tag = qp->temp_digest;
 373
 374                 if (session->op == AESNI_GMAC_OP_VERIFY)
 375                         digest = op->sym->auth.digest.data;
 376                 else
 377                         digest = op->sym->aead.digest.data;
 378
 379 #ifdef RTE_LIBRTE_PMD_AESNI_GCM_DEBUG
 380                 rte_hexdump(stdout, "auth tag (orig):",
 381                                 digest, session->req_digest_length);
 382                 rte_hexdump(stdout, "auth tag (calc):",
 383                                 tag, session->req_digest_length);
 384 #endif
 385
 386                 if (memcmp(tag, digest, session->req_digest_length) != 0)
 387                         op->status = RTE_CRYPTO_OP_STATUS_AUTH_FAILED;
 388         } else {
 389                 if (session->req_digest_length != session->gen_digest_length) {
 390                         if (session->op == AESNI_GCM_OP_AUTHENTICATED_ENCRYPTION)
 391                                 memcpy(op->sym->aead.digest.data, qp->temp_digest,
 392                                                 session->req_digest_length);
 393                         else
 394                                 memcpy(op->sym->auth.digest.data, qp->temp_digest,
 395                                                 session->req_digest_length);
 396                 }
 397         }
 398 }
 399
 400 /**
 401  * Process a completed GCM request
 402  *
 403  * @param qp            Queue Pair to process
 404  * @param op            Crypto operation
 405  * @param job           JOB_AES_HMAC job
 406  *
 407  * @return
 408  * - Number of processed jobs
 409  */
 410 static void
 411 handle_completed_gcm_crypto_op(struct aesni_gcm_qp *qp,
 412                 struct rte_crypto_op *op,
 413                 struct aesni_gcm_session *sess)
 414 {
 415         post_process_gcm_crypto_op(qp, op, sess);
 416
 417         /* Free session if a session-less crypto op */
 418         if (op->sess_type == RTE_CRYPTO_OP_SESSIONLESS) {
 419                 memset(sess, 0, sizeof(struct aesni_gcm_session));
 420                 memset(op->sym->session, 0,
 421                                 rte_cryptodev_sym_get_header_session_size());
 422                 rte_mempool_put(qp->sess_mp, sess);
 423                 rte_mempool_put(qp->sess_mp, op->sym->session);
 424                 op->sym->session = NULL;
 425         }
 426 }
 427
 428 static uint16_t
 429 aesni_gcm_pmd_dequeue_burst(void *queue_pair,
 430                 struct rte_crypto_op **ops, uint16_t nb_ops)
 431 {
 432         struct aesni_gcm_session *sess;
 433         struct aesni_gcm_qp *qp = queue_pair;
 434
 435         int retval = 0;
 436         unsigned int i, nb_dequeued;
 437
 438         nb_dequeued = rte_ring_dequeue_burst(qp->processed_pkts,
 439                         (void **)ops, nb_ops, NULL);
 440
 441         for (i = 0; i < nb_dequeued; i++) {
 442
 443                 sess = aesni_gcm_get_session(qp, ops[i]);
 444                 if (unlikely(sess == NULL)) {
 445                         ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
 446                         qp->qp_stats.dequeue_err_count++;
 447                         break;
 448                 }
 449
 450                 retval = process_gcm_crypto_op(qp, ops[i], sess);
 451                 if (retval < 0) {
 452                         ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
 453                         qp->qp_stats.dequeue_err_count++;
 454                         break;
 455                 }
 456
 457                 handle_completed_gcm_crypto_op(qp, ops[i], sess);
 458         }
 459
 460         qp->qp_stats.dequeued_count += i;
 461
 462         return i;
 463 }
 464
 465 static uint16_t
 466 aesni_gcm_pmd_enqueue_burst(void *queue_pair,
 467                 struct rte_crypto_op **ops, uint16_t nb_ops)
 468 {
 469         struct aesni_gcm_qp *qp = queue_pair;
 470
 471         unsigned int nb_enqueued;
 472
 473         nb_enqueued = rte_ring_enqueue_burst(qp->processed_pkts,
 474                         (void **)ops, nb_ops, NULL);
 475         qp->qp_stats.enqueued_count += nb_enqueued;
 476
 477         return nb_enqueued;
 478 }
 479
 480 static int aesni_gcm_remove(struct rte_vdev_device *vdev);
 481
 482 static int
 483 aesni_gcm_create(const char *name,
 484                 struct rte_vdev_device *vdev,
 485                 struct rte_cryptodev_pmd_init_params *init_params)
 486 {
 487         struct rte_cryptodev *dev;
 488         struct aesni_gcm_private *internals;
 489         enum aesni_gcm_vector_mode vector_mode;
 490
 491         /* Check CPU for support for AES instruction set */
 492         if (!rte_cpu_get_flag_enabled(RTE_CPUFLAG_AES)) {
 493                 AESNI_GCM_LOG(ERR, "AES instructions not supported by CPU");
 494                 return -EFAULT;
 495         }
 496         dev = rte_cryptodev_pmd_create(name, &vdev->device, init_params);
 497         if (dev == NULL) {
 498                 AESNI_GCM_LOG(ERR, "driver %s: create failed",
 499                         init_params->name);
 500                 return -ENODEV;
 501         }
 502
 503         /* Check CPU for supported vector instruction set */
 504         if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX2))
 505                 vector_mode = RTE_AESNI_GCM_AVX2;
 506         else if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX))
 507                 vector_mode = RTE_AESNI_GCM_AVX;
 508         else
 509                 vector_mode = RTE_AESNI_GCM_SSE;
 510
 511         dev->driver_id = cryptodev_driver_id;
 512         dev->dev_ops = rte_aesni_gcm_pmd_ops;
 513
 514         /* register rx/tx burst functions for data path */
 515         dev->dequeue_burst = aesni_gcm_pmd_dequeue_burst;
 516         dev->enqueue_burst = aesni_gcm_pmd_enqueue_burst;
 517
 518         dev->feature_flags = RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO |
 519                         RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING |
 520                         RTE_CRYPTODEV_FF_CPU_AESNI |
 521                         RTE_CRYPTODEV_FF_OOP_SGL_IN_LB_OUT |
 522                         RTE_CRYPTODEV_FF_OOP_LB_IN_LB_OUT;
 523
 524         switch (vector_mode) {
 525         case RTE_AESNI_GCM_SSE:
 526                 dev->feature_flags |= RTE_CRYPTODEV_FF_CPU_SSE;
 527                 break;
 528         case RTE_AESNI_GCM_AVX:
 529                 dev->feature_flags |= RTE_CRYPTODEV_FF_CPU_AVX;
 530                 break;
 531         case RTE_AESNI_GCM_AVX2:
 532                 dev->feature_flags |= RTE_CRYPTODEV_FF_CPU_AVX2;
 533                 break;
 534         default:
 535                 break;
 536         }
 537
 538         internals = dev->data->dev_private;
 539
 540         internals->vector_mode = vector_mode;
 541
 542         internals->max_nb_queue_pairs = init_params->max_nb_queue_pairs;
 543
 544 #if IMB_VERSION_NUM >= IMB_VERSION(0, 50, 0)
 545         AESNI_GCM_LOG(INFO, "IPSec Multi-buffer library version used: %s\n",
 546                         imb_get_version_str());
 547 #else
 548         AESNI_GCM_LOG(INFO, "IPSec Multi-buffer library version used: 0.49.0\n");
 549 #endif
 550
 551         return 0;
 552 }
 553
 554 static int
 555 aesni_gcm_probe(struct rte_vdev_device *vdev)
 556 {
 557         struct rte_cryptodev_pmd_init_params init_params = {
 558                 "",
 559                 sizeof(struct aesni_gcm_private),
 560                 rte_socket_id(),
 561                 RTE_CRYPTODEV_PMD_DEFAULT_MAX_NB_QUEUE_PAIRS
 562         };
 563         const char *name;
 564         const char *input_args;
 565
 566         name = rte_vdev_device_name(vdev);
 567         if (name == NULL)
 568                 return -EINVAL;
 569         input_args = rte_vdev_device_args(vdev);
 570         rte_cryptodev_pmd_parse_input_args(&init_params, input_args);
 571
 572         return aesni_gcm_create(name, vdev, &init_params);
 573 }
 574
 575 static int
 576 aesni_gcm_remove(struct rte_vdev_device *vdev)
 577 {
 578         struct rte_cryptodev *cryptodev;
 579         const char *name;
 580
 581         name = rte_vdev_device_name(vdev);
 582         if (name == NULL)
 583                 return -EINVAL;
 584
 585         cryptodev = rte_cryptodev_pmd_get_named_dev(name);
 586         if (cryptodev == NULL)
 587                 return -ENODEV;
 588
 589         return rte_cryptodev_pmd_destroy(cryptodev);
 590 }
 591
 592 static struct rte_vdev_driver aesni_gcm_pmd_drv = {
 593         .probe = aesni_gcm_probe,
 594         .remove = aesni_gcm_remove
 595 };
 596
 597 static struct cryptodev_driver aesni_gcm_crypto_drv;
 598
 599 RTE_PMD_REGISTER_VDEV(CRYPTODEV_NAME_AESNI_GCM_PMD, aesni_gcm_pmd_drv);
 600 RTE_PMD_REGISTER_ALIAS(CRYPTODEV_NAME_AESNI_GCM_PMD, cryptodev_aesni_gcm_pmd);
 601 RTE_PMD_REGISTER_PARAM_STRING(CRYPTODEV_NAME_AESNI_GCM_PMD,
 602         "max_nb_queue_pairs=<int> "
 603         "socket_id=<int>");
 604 RTE_PMD_REGISTER_CRYPTO_DRIVER(aesni_gcm_crypto_drv, aesni_gcm_pmd_drv.driver,
 605                 cryptodev_driver_id);
 606
 607
 608 RTE_INIT(aesni_gcm_init_log)
 609 {
 610         aesni_gcm_logtype_driver = rte_log_register("pmd.crypto.aesni_gcm");
 611 }